move tests into deprecated_test, and test for number of warnings issued

testing/python/fixtures.py

@@ -3620,24 +3620,6 @@ class TestShowFixtures:
             def foo():
                 raise NotImplementedError()
 
-    def test_fixture_disallow_on_marked_functions(self):
-        """Test that applying @pytest.fixture to a marked function warns (#3364)."""
-        with pytest.warns(pytest.PytestDeprecationWarning):
-
-            @pytest.fixture
-            @pytest.mark.usefixtures("tmp_path")
-            def foo():
-                raise NotImplementedError()
-
-    def test_fixture_disallow_marks_on_fixtures(self):
-        """Test that applying a mark to a fixture warns (#3364)."""
-        with pytest.warns(pytest.PytestDeprecationWarning):
-
-            @pytest.mark.usefixtures("tmp_path")
-            @pytest.fixture
-            def foo():
-                raise NotImplementedError()
-
 
 class TestContextManagerFixtureFuncs:
     def test_simple(self, pytester: Pytester) -> None: